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Merge branch '1494-lock-order-inversion-potential-deadlock-nm_thread-vs-nm_destroy' into 'master'

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Resolve "lock-order-inversion (potential deadlock) - nm_thread vs nm_destroy"

Closes #1494

See merge request isc-projects/bind9!2763
This commit is contained in:
Mark Andrews 2019-12-12 08:26:24 +00:00
commit a6f2d6191e
1 changed files with 1 additions and 1 deletions
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2
lib/isc/netmgr/netmgr.c
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@ -168,7 +168,6 @@ nm_destroy(isc_nm_t **mgr0) {
isc_refcount_destroy(&mgr->references);
LOCK(&mgr->lock);
mgr->magic = 0;
for (size_t i = 0; i < mgr->nworkers; i++) {
@ -181,6 +180,7 @@ nm_destroy(isc_nm_t **mgr0) {
isc__nm_enqueue_ievent(&mgr->workers[i], event);
}
LOCK(&mgr->lock);
while (atomic_load(&mgr->workers_running) > 0) {
WAIT(&mgr->wkstatecond, &mgr->lock);
}